Erbijsommen tot 20
Erbijsommen
|
1.
15 + 4 =
19
1
|
2.
3 + 2 =
4
5
|
3.
6 + 10 =
16
3
|
4.
6 + 7 =
13
14
|
|
5.
7 + 3 =
15
10
|
6.
13 + 2 =
15
7
|
7.
8 + 0 =
6
8
|
8.
16 + 1 =
10
17
|
|
9.
9 + 2 =
6
11
|
10.
11 + 1 =
12
4
|
11.
3 + 16 =
12
19
|
12.
6 + 3 =
9
8
|
|
13.
9 + 2 =
11
6
|
14.
15 + 3 =
18
4
|
15.
19 + 0 =
19
7
|
16.
12 + 2 =
1
14
|
|
17.
7 + 13 =
13
20
|
18.
12 + 4 =
7
16
|
19.
17 + 3 =
11
20
|
20.
13 + 7 =
8
20
|